S&C Instruction Sheet 461-509
11
A backup battery to support the loss of control power and the gang operation feature, if
specifi ed, is furnished factory-installed in the communication gateway. For customers
who initially choose not to have a backup battery, a backup battery system kit
(903-002460-01) can be retrofi tted to the communication gateway. See Figure 5 and
Figure 6 on page 12.
Follow these steps to install the battery in the communication gateway:
STEP 1.
Disconnect the ac power cable connected to the bottom of the gateway and
then disconnect the ac-line fuse located at the lower right corner of the gateway
box.
STEP 2.
Install the battery. The battery kit includes a battery, a top bracket, and
hardware.
(a) The battery should be installed in the lower-middle section of the gateway.
(b) Install the battery using the two spring-loaded screws, with the connector
facing outward on top.
(c) Install the top bracket using the four cap nuts.
Battery
Ac line
fuse
LED
light
on I/O
board
Spring-
loaded
screw
2-pin connector
Figure 5. Disconnect the Ac line fuse and install the battery.
STEP 3.
Connect the battery.
With the ac-line fuse still removed, connect the red and black battery leads
to the white 2-pin connector on the power supply/control I/O (PSIO) board.
The acrylic safety cover over the PSIO board does not need to be removed to
make this connection.
Installing a New
Battery
Installing and Replacing a Backup Battery
